REPAIR REPLACEMENT OF LT CABLES BUS DUCTS AT VLM AND SSP JETTY AT EOC JETTY UNDER NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) DM VISAKHAPATNAM

Supply and fix of LT cable end termination for cable sizes 400 Sq mm, 3.5 core, 1100 volts grade by cutting out damaged portion of XLPE insulated cable ends including disconnection cable ends from ACB/MCCB/Busbar and reconnection with existing/new all as specified and directed.

Supply and fix MS cable support structure made with ISA 75x75x8mm grouted to gallery wall with angle fastner bolt of dia not less than 16 mm to 25 mm ,painting the MS structure with one coat of red oxide primer and two coats of synthetic enamel paint complete including taking out old unserviceable cable support structure from the jetty gallery complete all as specified and as directed.

M&L for MS Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachmens complete all as specified and as directed including taking out of old unserviceable MS cable cover/support structure.Grade of steel Fe 410 -W (Gde E- 250) quality -A structure complete all as specified and directed.

M&L for fixing galvasnized earth strip of size 32mm x 6 mm making drilled hole at both ends and fixing to cope point, PBs, and JBs including takingdown old one unserviceable complete all as specified and directed .

M&L earthing with galvanised steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground earth pit not less than 2.25 m deep below ground level with top edge of the plate not less than 1.5 m below normal ground level connected to GI strip 32 x 6 mm by means of nuts, bolts check nuts, washers of galvanised iron or steel all as shown in electrical plate No:5 of SSR Part I connected to earth test point including excavation work in any strata PCC chamber with PCC cover slab with GI protection pipe 40 mm dia light gde upto 7.5 mtr/20 mm dia tunnel pipe med grade but all as specified and directed .

Supply, installation, testing and commissioning of LT Panel floor mounted cubical/trunk type outdoor made out of 2 mm thick CRCA steel sheet traded and powder coated, prewired, factory made , with provision for two incoming and Bus Coupler,individual comparment dust and vermin proof, weather proof electrical panel and with Godrej type lock, cable glands etc. and consisting of the following all as specified and as directed :- (i) Electrolytic Aluminum Bus bar of capacity 3200 Amps for phases and neutral. (ii) ACB 2500 Amps 4 pole 50KA as incommer-01 No, (iii) ACB 2000 Amps 3 pole 50 kA -01 No out going, (iv) ACB 800 Amps 3 pole 50kA-01 No out going, (v) Digital Ammeter 0-2000 Amps-02 Nos . (vi) Digital voltmeter 0-500 Volts-02 Nos .(vii) Indication lamps RYB -02 sets. Note : Drawing for LT panel showing layout of incoming and outgoing switch gear with capacity before errection shall be approved by Engr-in-Charge.(ii) Unit rate quoted include for necessary grouting / chipping of concrete and Anchor fastners and providing necessary PCC foundation to fix the LT Panel enclosure.

M & L XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 400 sq. mm 3.5 core including taking out old unserviceable complete all as specified and directed.

M&L for dismantling and taking down old unsv Busduct of capacity 4000Amps, 1000V grade from Gallery including 90 degree bend joints all as specified and as directed.

Supply Install testing and commisioning of Sandwitch busduct of capacity 4000Amps, 1000V AC 50 Hz as per IEC 61439 & IS standard, Class "F" insulation 1.6mm thick GI epoxy coated enclosure, Aluminium conductor with IP 66 rating for Straight Feeder all as specified and as directed.